diff --git a/compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/IrModuleSerializer.kt b/compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/IrModuleSerializer.kt
new file mode 100644
index 00000000000..714d4633a73
--- /dev/null
+++ b/compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/IrModuleSerializer.kt
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.backend.common.serialization
+
+import org.jetbrains.kotlin.backend.common.LoggingContext
+import org.jetbrains.kotlin.ir.declarations.IrFile
+import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
+import org.jetbrains.kotlin.library.IrIrSerializedIrFile
+import org.jetbrains.kotlin.library.SerializedIrModule
+
+abstract class IrModuleSerializer<F : IrFileSerializer>(protected val logger: LoggingContext,
+                                                        protected val mangler: KotlinMangler,
+                                                        protected val declarationTable: DeclarationTable) {
+
+
+    abstract fun createSerializerForFile(file: IrFile): F
+
+    private fun serializeIrFile(file: IrFile): IrIrSerializedIrFile {
+        val fileSerializer = createSerializerForFile(file)
+        return fileSerializer.serializeIrFile(file)
+    }
+
+    fun serializedIrModule(module: IrModuleFragment): SerializedIrModule {
+        return SerializedIrModule(module.files.map { serializeIrFile(it) })
+    }
+}
\ No newline at end of file
diff --git a/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrFileSerializer.kt b/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrFileSerializer.kt
new file mode 100644
index 00000000000..c8401299b00
--- /dev/null
+++ b/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrFileSerializer.kt
@@ -0,0 +1,16 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.ir.backend.js.lower.serialization.ir
+
+import org.jetbrains.kotlin.backend.common.LoggingContext
+import org.jetbrains.kotlin.backend.common.serialization.IrFileSerializer
+import org.jetbrains.kotlin.backend.common.serialization.DeclarationTable
+
+class JsIrFileSerializer(
+    logger: LoggingContext,
+    declarationTable: DeclarationTable,
+    bodiesOnlyForInlines: Boolean = false
+) : IrFileSerializer(logger, declarationTable, JsMangler, bodiesOnlyForInlines)
diff --git a/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrModuleSerializer.kt b/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrModuleSerializer.kt
index f94935465ff..d1e44b9dda6 100644
--- a/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrModuleSerializer.kt
+++ b/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrModuleSerializer.kt
@@ -7,10 +7,12 @@ package org.jetbrains.kotlin.ir.backend.js.lower.serialization.ir
 
 import org.jetbrains.kotlin.backend.common.LoggingContext
 import org.jetbrains.kotlin.backend.common.serialization.IrModuleSerializer
-import org.jetbrains.kotlin.backend.common.serialization.DeclarationTable
+import org.jetbrains.kotlin.backend.common.serialization.KotlinMangler
+import org.jetbrains.kotlin.ir.declarations.IrFile
 
-class JsIrModuleSerializer(
-    logger: LoggingContext,
-    declarationTable: DeclarationTable,
-    bodiesOnlyForInlines: Boolean = false
-) : IrModuleSerializer(logger, declarationTable, JsMangler, bodiesOnlyForInlines)
+class JsIrModuleSerializer(logger: LoggingContext, declarationTable: JsDeclarationTable) :
+    IrModuleSerializer<JsIrFileSerializer>(logger, JsMangler, declarationTable) {
+
+
+    override fun createSerializerForFile(file: IrFile): JsIrFileSerializer = JsIrFileSerializer(logger, declarationTable)
+}
\ No newline at end of file